Pentek 5 Micron Replacement Sediment Pre‑Filter Ensure crystal‑clear water from tap to tank with the Pentek 5 Micron Replacement Sediment Pre‑Filter, engineered to reduce contaminants at the first stage of your filtration system. This 5-micron sediment filter is compatible with most 10" slim housings including Ametek, Bruner, Cuno, Harmsco, Keystone, Kleen Plus, Plymouth Products, US Filters, Water Resources, and other brands. First Stage in the H2O-02 Under Counter Water Filter Also fits the SWT-230 Water Filter System and the BioMaster RO Water System. (Formerly known as - SO-60005 / 1015). Key Benefits & Use Cases Protects downstream filters & appliances — captures sediment, rust, silt, sand, and scale before they clog RO membranes or carbon blocks. Ideal as a first‑stage pre‑filter in reverse osmosis (RO), under-sink, point-of-use (POU), and whole-house systems. Longer life, better purity — true gradient‑density spun-bonded polypropylene holds more dirt, resists chemicals, and maintains flow. Taste‑neutral performance — will not impart taste, odor, or color to your water when used within temperature limits. Wide temperature compatibility & NSF validated — meets NSF/ANSI Standard 42 for material integrity.